Head to head
0
Hard
2
2
Clay
2
0
Grass
1
Jan Kodes's wins on the left · Cliff Richey's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (7)
| 1977 | US Open | Clay | R64 | Jan Kodes | 7-5 6-0 |
| 1976 | US Open | Clay | R32 | Jan Kodes | 6-2 7-5 |
| 1975 | Nottingham | Grass | R32 | Cliff Richey | 6-2 4-6 6-4 |
| 1971 | Masters | Hard | RR | Cliff Richey | 6-2 3-6 6-3 |
| 1970 | Cincinnati | Clay | SF | Cliff Richey | 6-0 4-6 6-2 |
| 1970 | Charlotte | Clay | SF | Cliff Richey | 6-2 6-4 |
| 1970 | San Juan | Hard | R16 | Cliff Richey | 6-2 6-2 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.